Home / 50,917.02-70,268.77-28,256.05

Finding the Fourth Proportional to 50,917.02, 70,268.77 and 28,256.05

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Solution

The fourth proportional to 50,917.02, 70,268.77 and 28,256.05 is: 38,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,917.02 : 70,268.77 = 28,256.05 : x
  2. Step 2: Convert to fraction form
    50,917.02/70,268.77 = 28,256.05/x
  3. Step 3: Cross multiply
    50,917.02x = 70,268.77 × 28,256.05
  4. Step 4: Simplify right side
    50,917.02x = 1,985,517,878.56
  5. Step 5: Solve for x
    x = 1,985,517,878.56/50,917.02
  6. Step 6: Final answer
    x = 38,995.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.